N. Dutta, H. Sarma, Ashish Kr. Srivastava, S. Verma
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A SINR Based Clustering Protocol for Cognitive Radio Ad Hoc Network (CRAHN)
A novel clustering approach for cognitive nodes in CRN based Ad Hoc Networks (CRAHNs) is proposed in this paper. The Signal to Interference plus Noise Ratio (SINR) produced by Primary Users (PUs) on collocated Cognitive Users (CUs) along with Expected Transmission Time (ETT) among CUs is taken into account in order to form the clusters. The operation of CUs, either during cluster formation or data transmission no way harms the ongoing transmission of PU. The main aim here is to find suitable method of cluster formation so that the findings of this work can be used for developing efficient cluster based routing protocol for CRAHN. A medium scale network with up to 200 CUs are taken for experiment and some reasonable values for influential parameters are presented here.
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